Gayoon

Duet with Han Ye-ji in One Two Three, drama OST for Still, Marry Me (2010).
Featured in Sunny Side’s Bad Guy Good Girl (2010).
Featured in Group of 20’s Let’s Go (2010).
Solo in Wind Blow, drama OST for My Princess (2011).

HyunA

Former member of Wonder Girls.
Featured in AJ’s 2009 (2009).
Featured in Brave Brothers’ Bittersweet (2009) with Mabus, Red Roc, Basick & M.
Featured in MBLAQ’s Oh Yeah (2009).
Featured in 4Tomorrow project group (2009).
Starred in reality-variety show Invincible Youth (2009-2010).
Solo in Change (2010, feat. B2ST’s Junhyung).
Duet with T-Max in Love Parade (2010).
Duet with Nassum in Outlaw in the Wild (2010).
Featured in G.NA’s Say You Love Me (2010).
Co-hosting variety show Remote Control (2011-present).